code: def none(X_, opt):
      return X_
  
file_path: Hyperactive/examples/optimization_applications/sklearn_preprocessing.py
imports: import numpy
  from sklearn.datasets import load_breast_cancer
  from sklearn.model_selection import cross_val_score
  from sklearn.decomposition import PCA
  from sklearn.feature_selection import SelectKBest, f_classif
  from sklearn.ensemble import GradientBoostingClassifier
  from hyperactive import Hyperactive
label_desc: Use image node_id 3 for calling a global function with example usage: none(X_, opt) and returns: X_